Maternal Left Ventricular Diastolic and Systolic Function during Normal Pregnancy in Saint Bernard Dogs

被引：3

作者：

Lobo, Luis ^{[1
,2
,3
]}

Esteves-Guimaraes, Joana ^{[4
]}

Oliveira, Pedro ^{[5
]}

Salazar, Luis ^{[1
]}

Pereira, Andre ^{[6
]}

Fontes-Sousa, Ana Patricia ^{[7
]}

机构：

[1] Hosp Vet Porto, P-4250475 Porto, Portugal

[2] Univ Lusofona Humanidades & Tecnol, Fac Med Vet, Campo Grande 376, P-1749024 Lisbon, Portugal

[3] Inst Ciencias & Tecnol & Agroambiente Univ Porto, Ctr Estudos Ciencia Anim CECA, Rua D Manuel II,Apartado 55142, P-4051401 Porto, Portugal

[4] Clin Vet Ovar, P-3880251 Ovar, Portugal

[5] Davies Vet Specialists, Manor Farm Business Pk, Hitchin SG5 3HR, England

[6] Ctr Hosp Vet, P-4100320 Porto, Portugal

[7] Univ Porto, Dept Imunofisiol & Farmacol, Ctr Invest Farmacol & Inovacao Medicamentosa MedI, ICBAS Inst Ciencias Biomed Abel Salazar, Rua Jorge de Viterbo Ferreira 228, P-4050313 Porto, Portugal

来源：

VETERINARY SCIENCES | 2021年 / 8卷 / 12期

关键词：

dog; maternal cardiac function; doppler echocardiography; tissue doppler imaging; MYOCARDIAL PERFORMANCE; HEART-RATE; TEI-INDEX; DOPPLER; ECHOCARDIOGRAPHY; RECOMMENDATIONS; HEMODYNAMICS; STANDARDS; FAILURE;

D O I：

10.3390/vetsci8120306

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

This study aimed to evaluate maternal left ventricular (LV) systo-diastolic function using conventional and TDI echocardiography and included 10 healthy Saint-Bernard pregnant bitches. M-mode, peak transmitral flow velocities during early diastole (E) and atrial contraction (A), aortic and pulmonic flow, myocardial performance index (MPI), TDI studies (peak myocardial velocities during early diastole (E'), atrial contraction (A') and peak systole (S')), and blood pressure were measured at 21 to 28 (T1), 40 (T2) and 60 (T3) days of gestation and four to eight weeks postpartum (T4). Cardiac output and heart rate were 20% and 9% higher at T3, respectively, compared to T4 (p < 0.01). Lateral S' was 36% higher at T3 than at T1 (p < 0.05). Changes in diastolic function were demonstrated by 10% lower E wave and 15% A wave at T1, compared to T4 (p < 0.05). E' and A' were 23% and 42% higher at T3 compared to T4 (p < 0.01). Both lateral E/E' and E'/A' were 6% and 19% lower at T3 compared to T1 (p < 0.01 and p < 0.05, respectively). At T3, MPI was 51% and 34% lower when compared to T1 or T2 (p < 0.05). The echocardiographic evaluation of maternal cardiac function is important, as structural, and functional changes occur throughout pregnancy.

引用

页数：10